Abstract
According to the peel zone model proposed by Pesika et al. [8], the peel strength of an adhesive tape is proportional to the length of the peel zone or the bifurcation region at the peeling front between the tape backing and the substrate. In this study, the effects of the peel angle and peel velocity on the shape of the peel zone and the peel strength are further investigated theoretically and experimentally. The theoretical analysis on the angle at the edge of the peel zone, θ0, and the peel strengths at different peel velocities and angles was compared with experimental tests using three different commercial tapes. The experimental results are in good agreement with the extended peel zone model, which provides a simple approach to predict the peel strength of adhesive tapes with different physical properties at different peel angles and velocities.
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